Addition and subtraction of square roots Whiteboard exercise Play

Applying the Pythagorean theorem Student activity Play

Applying the Pythagorean theorem Whiteboard exercise Play

Building a square from two squares Animation Play

Constructing right angle triangle Animation Play

Finding height Whiteboard exercise Play

Finding heights Student activity Play

Finding lengths Student activity Play

Finding lengths Whiteboard exercise Play

Finding sides Whiteboard exercise Play

Finding sides Student activity Play

Forming a square from triangles Animation Play

Match a triangle Whiteboard exercise Play

Match a triangle Student activity Play

Multiplication of square roots Whiteboard exercise Play

Operating on square roots – revision Student activity Play

Perpendicular streets Whiteboard exercise Play

Pythagoras' theorem – geometric proof Whiteboard exercise Play

Pythagoras' theorem – geometric proof Student activity Play

Pythagorean theorem Whiteboard exercise Play

Pythagorean theorem Class activity Play

Pythagorean theorem Whiteboard presentation Play

Pythagorean triple Animation Play

Pythagorean triples Student activity Play

Pythagorean triples Whiteboard exercise Play

Rectangular board Whiteboard exercise Play

Right-angled triangle or not? Animation Play

Simplification of expressions Whiteboard exercise Play

Simplification of square roots Animation Play

The converse of the Pythagorean theorem Student activity Play